Craig Mayer, Nick WIlliams, Vojtech Huser
Lister Hill National Center for Biomedical Communications, National Library of Medicine, NIH, Bethesda, MD

See the full regCTG repository at https://github.com/lhncbc/CRI/tree/master/regCTG

To return to the list of conditions and view other reports go to https://lhncbc.github.io/CRI/regCTG/regCTG-condition_report_links.html


Study Counts

Type Study_count
Total_Studies 167
interventional 141
Observational 23
Registry 3

Studies over Time by Start Date

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Interventional Trials

Intervention Type

intervention_type Study_Count
Device 113
Procedure 8
Other 7
Drug 4
Device|Procedure 3
Device|Drug 2
Behavioral|Other 1
Combination Product 1
Dietary Supplement 1
Drug|Procedure 1

Count of Studies by Intervention (normalized and mapped)

Interventions over Time

Yearly studies for each intervention by start date

Studies by Country

Country Study_Count
United States 50
NA 36
United Kingdom 11
Canada 9
Mexico 5
Australia 4
Germany 4
Japan 4
China 3
India 2
Brazil 1
China|India 1
China|United Kingdom 1
Croatia 1
Iran, Islamic Republic of 1
Nepal 1
New Zealand|Philippines|Singapore 1
Singapore 1
Sweden 1
Tanzania 1
United States|Canada 1
United States|Canada|Germany 1
United States|Canada|United Kingdom 1

Sites per Study

Site_count Study_Count
1 102
2 10
3 5
4 4
5 5
6 3
7 2
8 2
9 1
10 2
11 1
15 1
17 1
20 1
23 1

Phase

Phase Study_Count
N/A 125
Phase 4 7
Phase 3 5
Phase 2 2
Phase 2/Phase 3 2

Number of Arms

Number_of_Arms Count_of_Studies
1 19
2 92
3 12
4 10
6 1
12 1
NA 6

Enrollment Metrics by Phase

Measure N.A Phase.2 Phase.2.Phase.3 Phase.3 Phase.4
Min. 3.000 33.00 92.0 36 10.0000
1st Qu. 49.000 49.75 130.5 38 47.5000
Median 83.500 66.50 169.0 61 55.0000
Mean 8413.048 66.50 169.0 152 408.4286
3rd Qu. 162.500 83.25 207.5 170 77.5000
Max. 1000000.000 100.00 246.0 455 2544.0000

Trial Group Type

group_type Group_Count
Other 113
Experimental 96
Active Comparator 76
No Intervention 7
NA 6
Placebo Comparator 4
Sham Comparator 1

Intervention Model

intervention_model Study_Count
Crossover Assignment 61
Parallel Assignment 51
Single Group Assignment 27
Factorial Assignment 1
NA 1

Primary Purpose

primary_purpose Study_Count
Treatment 83
NA 18
Other 13
Supportive Care 12
Prevention 5
Device Feasibility 3
Basic Science 2
Diagnostic 2
Screening 2
Health Services Research 1

Observational Studies

Studies by Country

Country Study_Count
China 6
United States 4
France 3
NA 2
Austria 1
Germany 1
Singapore 1
Spain 1
Turkey 1
United Kingdom 1
United States|Austria 1
United States|Haiti 1

Sites per Study

Site_count Study_Count
1 20
2 3

Enrollment Metrics

Measure Observational
Min 25.00
1st Qu 50.00
Median 150.00
Mean 42377.91
3rd Qu 1323.00
Max 852441.00

Observation Model

observational_model Study_Count
Cohort 11
NA 5
Case-Control 3
Other 3
Case-Only 1

Time Perspective

time_perspective Study_Count
Prospective 13
Cross-Sectional 4
Retrospective 4
NA 2

Registries

Studies by Country

Country Study_Count
Poland 2
United States 1

Sites per Study

Site_count Study_Count
1 3

Enrollment Metrics

Measure Registries
Min 100.0000
1st Qu 100.0000
Median 100.0000
Mean 223.6667
3rd Qu 285.5000
Max 471.0000

Registry Model

observational_model Study_Count
Cohort 2
Case-Crossover 1

Time Perspective

time_perspective Study_Count
Prospective 3

Follow-up

target_duration Study_Count
1 Day 1
24 Months 1
3 Months 1

Overview of Studies

Interventional Trials

#If less then 500 trials

nct_id brief_title link overall_status source primary_completion_date
NCT03341923 Clinical Evaluation of DAILIES TOTAL 1® Multifocal Compared to 1-Day Acuvue® Moist® Multifocal in a Japanese Population https://ClinicalTrials.gov/show/NCT03341923 Completed Alcon Research 2018-06-05
NCT03319212 Clinical Characterization of Symptomatic Populations https://ClinicalTrials.gov/show/NCT03319212 Completed Johnson & Johnson Vision Care, Inc. 2018-08-15
NCT03312257 Bifocal & Atropine in Myopia (BAM) Study https://ClinicalTrials.gov/show/NCT03312257 Active, not recruiting Ohio State University 2020-06-30
NCT03305770 DD T2 Daily Disposable Registration Trial https://ClinicalTrials.gov/show/NCT03305770 Completed Alcon Research 2018-02-21
NCT03278587 Village-Integrated Eye Worker Trial II - Pilot https://ClinicalTrials.gov/show/NCT03278587 Recruiting Francis I. Proctor Foundation 2020-08-31
NCT03169153 Clinical Comparison of Silicone Hydrogel Monthly Lenses https://ClinicalTrials.gov/show/NCT03169153 Completed Alcon Research 2018-07-19
NCT03118934 Assessing Fitting Guides in Alcon Multifocal Contact Lenses https://ClinicalTrials.gov/show/NCT03118934 Completed Alcon Research 2017-07-07
NCT03095027 Clinical Performance of a Silicone Hydrogel for Daily Disposable Wear https://ClinicalTrials.gov/show/NCT03095027 Completed Alcon Research 2017-05-15
NCT03034928 Clinical Biocompatibility Evaluation of Contact Lens Coatings https://ClinicalTrials.gov/show/NCT03034928 Completed Alcon Research 2017-03-14
NCT03026257 Clinical Assessment of a HYDRAGLYDE® Regimen https://ClinicalTrials.gov/show/NCT03026257 Completed Alcon Research 2017-08-18
NCT02939170 Initial Performance of a Daily Disposable Contact Lens Featuring Molded Marks https://ClinicalTrials.gov/show/NCT02939170 Completed Alcon Research 2016-12-02
NCT02886923 Evaluation of Vision Effects of a Cosmetic Tinted Hydrogel Contact Lens https://ClinicalTrials.gov/show/NCT02886923 Completed Johnson & Johnson Vision Care, Inc. 2017-01-23
NCT02871375 Clinical Assessment of DAILIES TOTAL1® (DT1) Multifocal https://ClinicalTrials.gov/show/NCT02871375 Completed Alcon Research 2016-11-14
NCT02771145 Clinical Evaluation of the Safety and Efficacy of FID 120947A https://ClinicalTrials.gov/show/NCT02771145 Completed Alcon Research 2017-01-10
NCT02750813 ACUVUE® OASYS® 1-DAY vs DAILIES TOTAL1® https://ClinicalTrials.gov/show/NCT02750813 Completed Alcon Research 2016-08-17
NCT02710292 Clinical Evaluation of DAILIES TOTAL 1® Performance in a Japanese Population https://ClinicalTrials.gov/show/NCT02710292 Completed Alcon Research 2016-09-14
NCT02699684 Comparison of Lotrafilcon B Lenses With Different Packaging Solutions https://ClinicalTrials.gov/show/NCT02699684 Completed Alcon Research 2016-10-20
NCT02696317 Clinical Evaluation of ACUVUE® OASYS® 1-Day and ACUVUE® OASYS® https://ClinicalTrials.gov/show/NCT02696317 Completed Alcon Research 2016-06-06
NCT02694835 Initial Performance of a Modified Daily Disposable Contact Lens https://ClinicalTrials.gov/show/NCT02694835 Completed Alcon Research 2016-04-11
NCT02675751 Prospective S&E Study of Wavefront-guided PRK for Myopia With iDesign Advanced Wavescan Studioâ„¢ System and Star S4 IRâ„¢ https://ClinicalTrials.gov/show/NCT02675751 Completed Abbott Medical Optics 2018-07-27
NCT02607384 The Baltimore Reading and Eye Disease Study https://ClinicalTrials.gov/show/NCT02607384 Completed Johns Hopkins University 2016-07-31
NCT02553681 Clinical Evaluation of HPT Treated Rigid Contact Lenses Made From Roflufocon D https://ClinicalTrials.gov/show/NCT02553681 Completed Contamac Ltd 2017-02-28
NCT02528123 VisuMax Femtosecond Laser Small Incision Lenticule Extraction for the Correction of High Myopia https://ClinicalTrials.gov/show/NCT02528123 Active, not recruiting London Vision Clinic 2020-09-30
NCT02517567 DAILIES TOTAL1® - Comparative Assessment of Tear Film Evaporation https://ClinicalTrials.gov/show/NCT02517567 Completed Alcon Research 2016-04-22
NCT02515994 Evaluation of a Johnson & Johnson Vision Care Investigational Contact Lens Compared to a Marketed Monthly Replacement Contact Lens https://ClinicalTrials.gov/show/NCT02515994 Completed Johnson & Johnson Vision Care, Inc. 2015-11-30
NCT02495948 Comparison of Two Marketed Silicone Hydrogel Lenses https://ClinicalTrials.gov/show/NCT02495948 Completed Alcon Research 2015-10-31
NCT02484586 Dispensing Study to Assess the Visual Performance of Optimised Prototype Contact Lenses https://ClinicalTrials.gov/show/NCT02484586 Completed Brien Holden Vision 2017-02-07
NCT02402127 Lubricity Post-Wear - Competitive Lenses Pilot https://ClinicalTrials.gov/show/NCT02402127 Completed Alcon Research 2015-07-31
NCT02388763 Clinical Evaluation of MyDay™ and 1-DAY ACUVUE® TruEye® https://ClinicalTrials.gov/show/NCT02388763 Completed Alcon Research 2015-09-30
NCT02293538 Formula Identification (FID) 114657 in Contact Lens Wearers https://ClinicalTrials.gov/show/NCT02293538 Completed Alcon Research 2015-07-31
NCT02289742 Tear Film Evaluation of Dailies® AquaComfort Plus® Multifocal and Toric https://ClinicalTrials.gov/show/NCT02289742 Completed Alcon Research 2015-03-31
NCT02255474 Bifocal Lenses In Nearsighted Kids https://ClinicalTrials.gov/show/NCT02255474 Completed Ohio State University 2019-06-24
NCT02252133 DAILIES TOTAL1® Lens Centration in a Japanese Population https://ClinicalTrials.gov/show/NCT02252133 Completed Alcon Research 2014-11-30
NCT02249689 Three-month Clinical Evaluation of Silicone Hydrogel Definitive 65 Contact Lenses https://ClinicalTrials.gov/show/NCT02249689 Completed Contamac Ltd 2014-01-31
NCT02235831 DAILIES® AquaComfort Plus® Multifocal (MF) - Comparative Assessment of Visual Performance https://ClinicalTrials.gov/show/NCT02235831 Completed Alcon Research 2014-10-31
NCT02214797 Dispensing Study to Assess Visual Performance of Prototype Contact Lenses https://ClinicalTrials.gov/show/NCT02214797 Completed Brien Holden Vision 2015-06-30
NCT02193555 Visual Performance of Prototype Contact Lens Designs https://ClinicalTrials.gov/show/NCT02193555 Completed Brien Holden Vision 2014-09-30
NCT02103309 Comparative Evaluation of Contact Lens Centering of DAILIES® AquaComfort Plus® Versus 1-DAY ACUVUE® MOIST® in Japan https://ClinicalTrials.gov/show/NCT02103309 Completed Alcon Research 2013-11-30
NCT02100410 On-Eye Evaluation of Contact Lens Axis Location https://ClinicalTrials.gov/show/NCT02100410 Completed Alcon Research 2013-04-30
NCT02089191 Tear Film Stability of DAILIES® AquaComfort Plus® Contact Lenses vs. MyDay® Daily Disposable Contact Lenses https://ClinicalTrials.gov/show/NCT02089191 Completed Alcon Research 2014-04-30
NCT02072980 DAILIES TOTAL1® Lubricity Post Wear https://ClinicalTrials.gov/show/NCT02072980 Completed Alcon Research 2014-04-30
NCT02066922 A Comparative Study of Two Daily Disposable Contact Lenses in Higher Myopia Subjects https://ClinicalTrials.gov/show/NCT02066922 Completed Alcon Research 2014-05-31
NCT02055404 On-Eye Evaluation of Contact Lens Rotation Marks https://ClinicalTrials.gov/show/NCT02055404 Completed Alcon Research 2013-02-28
NCT01997216 Multifocal Lens Design Evaluation https://ClinicalTrials.gov/show/NCT01997216 Completed Alcon Research 2012-11-30
NCT01996709 Effectiveness of a Marketed One-Step Peroxide Lens Care Solution in Symptomatic Contact Lens Wearers https://ClinicalTrials.gov/show/NCT01996709 Completed Alcon Research 2014-05-31
NCT01951573 Evaluation of a New Daily Disposable Multifocal Contact Lens Design https://ClinicalTrials.gov/show/NCT01951573 Completed Alcon Research 2013-11-30
NCT01941498 WaveLight® Refractive Myopic Study https://ClinicalTrials.gov/show/NCT01941498 Completed Alcon Research 2014-01-31
NCT01941485 WaveLight® Refractive Flap Accuracy Study https://ClinicalTrials.gov/show/NCT01941485 Completed Alcon Research 2014-01-31
NCT01917162 Multi-Center Clinical Evaluation of Two Daily Disposable Contact Lenses (Study 2) https://ClinicalTrials.gov/show/NCT01917162 Completed Alcon Research 2013-11-30
NCT01912781 Safety and Efficacy Evaluation of a New Contact Lens Disinfecting Solution in Gas Permeable Contact Lens Wearers https://ClinicalTrials.gov/show/NCT01912781 Completed Alcon Research 2014-05-31
NCT01912768 Safety and Efficacy Evaluation of a New Contact Lens Disinfecting Solution in Soft Contact Lens Wearers https://ClinicalTrials.gov/show/NCT01912768 Completed Alcon Research 2014-05-31
NCT01875471 Clinical Evaluation of Two Daily Disposable Contact Lenses https://ClinicalTrials.gov/show/NCT01875471 Completed Johnson & Johnson Vision Care, Inc. 2013-08-31
NCT01858701 Visual Performance Investigation of Two Toric Soft Contact Lenses https://ClinicalTrials.gov/show/NCT01858701 Completed Alcon Research 2013-10-31
NCT01839318 Subjective Comparison of Pre-Lens Tear Film Stability With Daily Disposable Contact Lenses https://ClinicalTrials.gov/show/NCT01839318 Completed Alcon Research 2013-06-30
NCT01809197 Silicone Hydrogel Contact Lens Clinical and Comfort Benefits With a Multi-Purpose Disinfecting Solution https://ClinicalTrials.gov/show/NCT01809197 Completed Alcon Research 2013-07-31
NCT01782482 A Comparison of Two Color Contact Lenses in Habitual Clear Contact Lens Wearers https://ClinicalTrials.gov/show/NCT01782482 Completed Alcon Research 2013-04-30
NCT01706770 Evaluation of CooperVision Avaira Toric (Enfilcon A) Soft Contact Lens When Compared to Acuvue Advance Toric Soft Contact Lens https://ClinicalTrials.gov/show/NCT01706770 Completed Coopervision, Inc. 2012-07-31
NCT01699750 Comparative In-Vivo Wetting Characteristics of Silicone Hydrogel Materials With Selected Lens Care Systems https://ClinicalTrials.gov/show/NCT01699750 Completed Alcon Research 2013-11-30
NCT01675479 Safety and Effectiveness of Wavefront-Guided LASIK Correction of Hyperopic Refractive Errors https://ClinicalTrials.gov/show/NCT01675479 Completed Abbott Medical Optics 2016-10-31
NCT01663363 Safety and Effectiveness of Wavefront-Guided LASIK Corrections of Myopic Refractive Errors https://ClinicalTrials.gov/show/NCT01663363 Completed Abbott Medical Optics 2014-03-31
NCT03349632 Clinical Comparison of 4 Daily Disposable Soft Contact Lenses https://ClinicalTrials.gov/show/NCT03349632 Completed Alcon Research 2018-02-16
NCT01629706 Determination of Cell Population in Solution-Induced Corneal Staining (SICS) and Symptomatic Versus Asymptomatic Lens Wearers https://ClinicalTrials.gov/show/NCT01629706 Completed Alcon Research 2014-01-31
NCT01582789 Comparative Study of Two Marketed Spherical Soft Contact Lenses https://ClinicalTrials.gov/show/NCT01582789 Completed Coopervision, Inc. 2012-05-31
NCT01484938 Lens Wearing Experience and Biocompatibility of a Marketed Multi-Purpose Disinfecting Solution in Silicone Hydrogel and Soft Contact Lens Wearers https://ClinicalTrials.gov/show/NCT01484938 Completed Alcon Research 2011-05-31
NCT01484054 Dispensing Evaluation of Subjective Comfort, Vision, and Handling of a New Lens Compared to a Marketed Lens https://ClinicalTrials.gov/show/NCT01484054 Completed Johnson & Johnson Vision Care, Inc. 2012-02-29
NCT01484028 Evaluation of the Performance of Two Contact Lenses Compared to a Marketed Lens https://ClinicalTrials.gov/show/NCT01484028 Completed Johnson & Johnson Vision Care, Inc. 2012-02-29
NCT01461811 Prospective Study of an Investigational Toric Soft Contact Lens https://ClinicalTrials.gov/show/NCT01461811 Completed Alcon Research 2012-04-30
NCT01440322 AIR OPTIX® COLORS Registration Trial https://ClinicalTrials.gov/show/NCT01440322 Completed Alcon Research 2012-01-31
NCT01430247 Vision Screening for the Detection of Amblyopia https://ClinicalTrials.gov/show/NCT01430247 Completed General Hospital Sveti Duh 2014-09-12
NCT01322919 Safety and Efficacy Study to Evaluate the Treatment of Both Near and Distance Vision in a Simultaneous Laser Procedure https://ClinicalTrials.gov/show/NCT01322919 Completed Technolas Perfect Vision GmbH 2012-02-29
NCT04437732 Apioc Presbyopic Contact Lens https://ClinicalTrials.gov/show/NCT04437732 Recruiting Lentechs, LLC 2020-10-31
NCT04254003 Clinical Performance Evaluation of Two Daily Disposable Silicone Hydrogel Toric Contact Lenses https://ClinicalTrials.gov/show/NCT04254003 Completed Alcon Research 2020-03-02
NCT04156737 A Comparative Study of TECNIS Symfony Plus IOL and a Trifocal IOL https://ClinicalTrials.gov/show/NCT04156737 Recruiting Johnson & Johnson Surgical Vision, Inc. 2021-01-31
NCT04077086 Correcting Myopia Among Secondary School Children to Increase Academic High School Attendance Rates in Rural Communities https://ClinicalTrials.gov/show/NCT04077086 Recruiting Queen’s University, Belfast 2022-07-01
NCT04075591 Wavefront-guided LASIK for Monovision Treatment of Myopic Subjects With Presbyopia https://ClinicalTrials.gov/show/NCT04075591 Recruiting Johnson & Johnson Surgical Vision, Inc. 2022-05-31
NCT04073238 Efficacy of Repeated Low-Level Red-Light Therapy in Myopia Control https://ClinicalTrials.gov/show/NCT04073238 Recruiting Zhongshan Ophthalmic Center, Sun Yat-sen University 2020-12-31
NCT04067141 The Clinical Comparison of Somofilcon A 1 Day and Nelfilcon A Daily Disposable Contact Lenses https://ClinicalTrials.gov/show/NCT04067141 Completed Coopervision, Inc. 2019-11-05
NCT04067050 A Clinical Study of the Comfilcon A Asphere Soft Contact Lens in Users of Digital Devices https://ClinicalTrials.gov/show/NCT04067050 Completed Coopervision, Inc. 2020-02-28
NCT04044755 Investigating the Effect of Using Myopia Prediction Algorithm on Myopia Children https://ClinicalTrials.gov/show/NCT04044755 Recruiting Sun Yat-sen University 2020-11-30
NCT04032457 PAVES Benchmarking Pilot Study of Daily Disposable Contact Lenses https://ClinicalTrials.gov/show/NCT04032457 Recruiting Vision Service Plan 2019-10-31
NCT04013789 Comparison of Two Daily Disposable Lenses https://ClinicalTrials.gov/show/NCT04013789 Completed Alcon Research 2019-11-22
NCT03987880 Photorefractive Intrastromal Corneal Crosslinking as a Treatment for Low Grade Myopia https://ClinicalTrials.gov/show/NCT03987880 Active, not recruiting Umeå University 2020-03-22
NCT03983278 Perfecting Refraction in India With Superior Service Models https://ClinicalTrials.gov/show/NCT03983278 Recruiting Sun Yat-sen University 2020-03-21
NCT03971227 Clinical Evaluation of Acuity 200 (Fluoroxyfocon A) RGP Contact Lens https://ClinicalTrials.gov/show/NCT03971227 Completed Acuity Polymers, Inc. 2020-03-19
NCT03970512 Apioc Toric/Spherical Single Vision Contact Lens https://ClinicalTrials.gov/show/NCT03970512 Recruiting Lentechs, LLC 2020-10-31
NCT03969290 Clinical Performance of Two Daily Disposable Contact Lenses - Study 1 https://ClinicalTrials.gov/show/NCT03969290 Completed Alcon Research 2019-08-05
NCT03888482 Clinical Comparison of DDT2 Contact Lens and a Daily Disposable Contact Lens - Study 2 https://ClinicalTrials.gov/show/NCT03888482 Completed Alcon Research 2019-06-28
NCT03888469 Clinical Comparison of DDT2 Contact Lens and a Daily Disposable Contact Lens - Study 1 https://ClinicalTrials.gov/show/NCT03888469 Completed Alcon Research 2019-06-24
NCT03835221 Performance of Toric Hydrogel Lenses Following A Refit With Toric Silicone Hydrogel Lenses for 1 Month https://ClinicalTrials.gov/show/NCT03835221 Completed Coopervision, Inc. 2019-03-27
NCT03835078 Performance of Aspheric Hydrogel Lenses After a Refit With Sphere Silicone Hydrogel Lenses for 4 Weeks https://ClinicalTrials.gov/show/NCT03835078 Completed Coopervision, Inc. 2019-03-27
NCT03762668 Performance Assessment of a Modified Daily Disposable Contact Lens https://ClinicalTrials.gov/show/NCT03762668 Completed Alcon Research 2019-01-07
NCT03688672 Apioc Contact Lens Feasibility https://ClinicalTrials.gov/show/NCT03688672 Recruiting Lentechs, LLC 2019-06-30
NCT03615612 Investigation of the Accuracy of a Low-cost, Portable, Autorefractor to Provide Well-tolerated Eyeglass Prescriptions https://ClinicalTrials.gov/show/NCT03615612 Recruiting Johns Hopkins University 2020-07-31
NCT03592615 Binocular Vision Anomalies After Cataract and Refractive Surgery https://ClinicalTrials.gov/show/NCT03592615 Completed Salus University 2019-11-26
NCT03567005 Clinical Validation of DACP Digital Design https://ClinicalTrials.gov/show/NCT03567005 Completed Alcon Research 2018-08-26
NCT03556579 The Effects of Contact Lenses With Experimental Dye on Visual Function https://ClinicalTrials.gov/show/NCT03556579 Completed Johnson & Johnson Vision Care, Inc. 2018-09-20
NCT03552016 Evaluation of Progression of Myopia in Children Treated With Vitamin B2 and Outdoor Sunlight Exposure https://ClinicalTrials.gov/show/NCT03552016 Recruiting University of Missouri-Columbia 2021-10-10
NCT03518008 Clinical Comparison of Two Daily Disposable Soft Contact Lenses https://ClinicalTrials.gov/show/NCT03518008 Completed Alcon Research 2018-06-11
NCT03475875 Contact Lenses With New UV-blocker Manufactured With Different Techniques https://ClinicalTrials.gov/show/NCT03475875 Completed Johnson & Johnson Vision Care, Inc. 2018-04-18
NCT03459131 Clinical Evaluation of Two Monthly Contact Lenses https://ClinicalTrials.gov/show/NCT03459131 Completed Alcon Research 2018-03-26
NCT03455478 Shanghai Eye Study for Older People https://ClinicalTrials.gov/show/NCT03455478 Recruiting Shanghai Eye Disease Prevention and Treatment Center 2018-11-30
NCT01250925 Effect of Contact Lens Wear on Immune Cell Density and Morphology of the Ocular Surface https://ClinicalTrials.gov/show/NCT01250925 Completed Massachusetts Eye and Ear Infirmary 2012-02-29
NCT01233089 Fitting Children With Contact Lenses https://ClinicalTrials.gov/show/NCT01233089 Completed Alcon Research 2011-08-31
NCT01220466 Performance and Acceptability of iDesign https://ClinicalTrials.gov/show/NCT01220466 Completed Abbott Medical Optics 2011-06-30
NCT01211535 Subjective Comfort With Multipurpose Care Solutions in Soft Contact Lens Wearers https://ClinicalTrials.gov/show/NCT01211535 Completed Alcon Research 2010-11-30
NCT01198600 Ocular Comfort and the “Aging” Lens (ERBIUM) https://ClinicalTrials.gov/show/NCT01198600 Completed Alcon Research 2011-07-31
NCT01163760 Clinical Evaluation of Two Daily Disposable Contact Lenses https://ClinicalTrials.gov/show/NCT01163760 Completed Johnson & Johnson Vision Care, Inc. 2007-09-30
NCT01067716 Performance and Acceptability of VSS-R https://ClinicalTrials.gov/show/NCT01067716 Completed Abbott Medical Optics 2012-03-31
NCT01059019 Epithelial Healing and Visual Outcomes Using Omega-3 Therapy Before and After Photorefractive Keratectomy (PRK) Surgery https://ClinicalTrials.gov/show/NCT01059019 Completed University of California, San Diego 2011-05-31
NCT00950924 Optical Defocus to Stimulate Eye Elongation in Hyperopia https://ClinicalTrials.gov/show/NCT00950924 Active, not recruiting Aller, Thomas A., OD 2019-10-31
NCT00918697 Mechanical Versus Alcohol Epithelial Debridement During Hotorefractive Keratectomy (PRK) https://ClinicalTrials.gov/show/NCT00918697 Completed Shahid Beheshti University of Medical Sciences NA
NCT03929588 Study of a Hand-held Device Plus Mobile App Versus Standard Eye Care Devices in Measuring Refractive Error of the Eye https://ClinicalTrials.gov/show/NCT03929588 Recruiting EyeQue Corp. 2020-01-31
NCT01741987 Osmoprotective Containing Lubricants in Dysfunctional Tear Syndrome and Post Refractive Surgery Patients https://ClinicalTrials.gov/show/NCT01741987 Completed Federal University of São Paulo 2012-10-31
NCT01827748 Evaluation of a Surgical Microscope Mounted Autorefractor When Used on Patients Lying in a Supine Position https://ClinicalTrials.gov/show/NCT01827748 Completed Adventus Technology 2013-03-31
NCT01797783 Clinical Evaluation of the Safety and Efficacy of a New Multifocal Contact Lens https://ClinicalTrials.gov/show/NCT01797783 Completed Alcon Research 2013-04-30
NCT01444313 Prospective Study of the Health Benefits of Ultra-Violet Filtering Contact Lenses https://ClinicalTrials.gov/show/NCT01444313 Completed Johnson & Johnson Vision Care, Inc. 2013-03-31
NCT02413333 Clear Care® Plus vs. PeroxiClearâ„¢ https://ClinicalTrials.gov/show/NCT02413333 Completed Alcon Research 2015-08-31
NCT01898260 Multi-Center Clinical Evaluation of Two Daily Disposable Contact Lenses https://ClinicalTrials.gov/show/NCT01898260 Completed Alcon Research 2013-10-31
NCT00762385 Clinical Comparison of Two Silicone-Hydrogel Contact Lenses https://ClinicalTrials.gov/show/NCT00762385 Completed Johnson & Johnson Vision Care, Inc. 2007-10-31
NCT00754338 Evaluation of Disinfecting Solutions and Protein Remover With a Silicone Hydrogel Lens https://ClinicalTrials.gov/show/NCT00754338 Completed University of Waterloo 2008-07-31
NCT00725153 Evaluation of Deposits on Contact Lenses Worn Daily Wear https://ClinicalTrials.gov/show/NCT00725153 Completed Alcon Research 2008-09-30
NCT00722891 Ocular Responses to Short and Long-term Lens Wear https://ClinicalTrials.gov/show/NCT00722891 Completed Bausch & Lomb Incorporated 2009-06-30
NCT00721500 A Comparison of Two Daily Disposable Contact Lenses. https://ClinicalTrials.gov/show/NCT00721500 Completed Johnson & Johnson Vision Care, Inc. 2008-07-31
NCT00708643 Clinical Performance of a New Daily Disposable Contact Lens Worn in an Established Contact Lens Wearing Population https://ClinicalTrials.gov/show/NCT00708643 Completed Johnson & Johnson Vision Care, Inc. 2008-09-30
NCT00708032 Clinical Performance of a New Daily Disposable Contact Lens Worn in a Neophyte Population. https://ClinicalTrials.gov/show/NCT00708032 Completed Johnson & Johnson Vision Care, Inc. 2009-12-01
NCT00700752 A Comparison of Two Contact Lenses https://ClinicalTrials.gov/show/NCT00700752 Completed Johnson & Johnson Vision Care, Inc. 2008-07-31
NCT00691197 Safety and Acceptability of Using a Rewetting Drop With Contact Lens Wear https://ClinicalTrials.gov/show/NCT00691197 Completed Allergan 2008-10-31
NCT00657670 Evaluation of Effectiveness of Correcting Refractive Error With Ready-made Spectacles https://ClinicalTrials.gov/show/NCT00657670 Completed Johns Hopkins University 2008-11-30
NCT00639379 Comparison of Two Toric Contact Lenses on Current Toric Wearers https://ClinicalTrials.gov/show/NCT00639379 Completed Johnson & Johnson Vision Care, Inc. 2008-06-30
NCT00630305 Endothelial Bleb Response With Toric Lenses https://ClinicalTrials.gov/show/NCT00630305 Completed Johnson & Johnson Vision Care, Inc. 2008-07-31
NCT00599950 Anterior Stromal Changes After PRK by Using Intraoperative Mitomicin C https://ClinicalTrials.gov/show/NCT00599950 Completed Asociación para Evitar la Ceguera en México 2007-01-31
NCT00597467 Study of Soft Contact Lens Use With 7 Day Extended Wear https://ClinicalTrials.gov/show/NCT00597467 Completed Coopervision, Inc. 2007-11-30
NCT00558324 Corneal Flap Thickness Planed vs Measured After LASIK by Using Tree Different Systems Cut https://ClinicalTrials.gov/show/NCT00558324 Completed Asociación para Evitar la Ceguera en México NA
NCT00413881 A Prospective Comparison of Alcon LADARVision Wavefront-guided LASIK Enhancement and Conventional LASIK Enhancement for the Correction of Residual Refractive Errors Following LASIK Procedures https://ClinicalTrials.gov/show/NCT00413881 Completed Walter Reed Army Medical Center NA
NCT00371787 Evaluation of the Performance of Non-molded Soft Contact Lenses https://ClinicalTrials.gov/show/NCT00371787 Completed University of Waterloo 2007-12-31
NCT00365040 Customized PRK With Mitomycin Versus Customized Lasik for Myopic Astigmatism https://ClinicalTrials.gov/show/NCT00365040 Completed Federal University of São Paulo NA
NCT00349063 Contact Lens Wettability https://ClinicalTrials.gov/show/NCT00349063 Completed University of Waterloo NA
NCT00348621 A Study of Interventions to Reduce Disability From Visual Loss in Nursing Home Residents https://ClinicalTrials.gov/show/NCT00348621 Completed Johns Hopkins University 2001-12-31
NCT00347620 Improving Vision and Quality of Life in the Nursing Home https://ClinicalTrials.gov/show/NCT00347620 Completed University of Alabama at Birmingham NA
NCT00317525 Effects of Different Add Powers on the Comfort and Productivity of Computer Users With Fixed or Free Head Movement https://ClinicalTrials.gov/show/NCT00317525 Completed American Optometric Association NA
NCT00249275 Effectiveness of Alternative Approaches to Providing Spectacles in Tanzanian Secondary School Students https://ClinicalTrials.gov/show/NCT00249275 Completed London School of Hygiene and Tropical Medicine NA

Observational Studiess

#If less then 500 studies

nct_id brief_title link overall_status source primary_completion_date
NCT03334513 Refractive Error and Biometry in Retinopathy of Prematurity https://ClinicalTrials.gov/show/NCT03334513 Completed Changhua Christian Hospital 2014-04-01
NCT03292614 Measurement of Refractive SE Following Implantation of LS313 MF30 IOL https://ClinicalTrials.gov/show/NCT03292614 Completed Dietrich-Bonhoeffer-Klinikum 2019-01-31
NCT03030755 Corneal Elastography and Patient Specific Modeling https://ClinicalTrials.gov/show/NCT03030755 Recruiting The Cleveland Clinic 2020-05-31
NCT02889588 Visual and Optics Impact of Refractive Surgery https://ClinicalTrials.gov/show/NCT02889588 Completed Fondation Ophtalmologique Adolphe de Rothschild 2017-08-31
NCT02667509 The Evolutionary Model of Mild-to-moderate Myopia in China https://ClinicalTrials.gov/show/NCT02667509 Completed Sun Yat-sen University 2015-10-31
NCT02522416 A Comparison of Two Devices for Measuring the Central Thickness of the Cornea Before and After Surgery (CECOT) https://ClinicalTrials.gov/show/NCT02522416 Completed Fondation Ophtalmologique Adolphe de Rothschild 2017-01-30
NCT02519673 Comparison of Corneal Stromal Tissue Consumption (LATAC) https://ClinicalTrials.gov/show/NCT02519673 Completed Fondation Ophtalmologique Adolphe de Rothschild 2017-01-18
NCT02028351 Vision Measured by the Vimetrics CVA Compared With Chart Testing Under Similar Luminance and Contrast Conditions https://ClinicalTrials.gov/show/NCT02028351 Completed Sinclair Technologies, LLC 2009-03-31
NCT01663597 Optical Biometry and Spherical Aberration in Ametropic and Emmetropic Eyes https://ClinicalTrials.gov/show/NCT01663597 Completed Medical University of Vienna 2013-05-31
NCT01598818 First-Sight Refractive Error Correction in the Developing World https://ClinicalTrials.gov/show/NCT01598818 Completed University of Nebraska 2012-05-31
NCT01444053 Retrospective Study of the Health Benefits of Ultra-Violet Filtering Contact Lenses https://ClinicalTrials.gov/show/NCT01444053 Completed Johnson & Johnson Vision Care, Inc. 2011-12-01
NCT01342393 Proof of Concept Study for First-Sight Refractive Error Correction: Direct Comparison to Manifest Refraction and Autorefraction Results https://ClinicalTrials.gov/show/NCT01342393 Completed University of Nebraska 2011-08-31
NCT04441268 Longitudinal Changes in Refractive Error After Primary IOL Implantation Among Children With Congenital Cataract https://ClinicalTrials.gov/show/NCT04441268 Completed Sun Yat-sen University 2019-12-30
NCT04429659 Changes in Refractive Error in Patients With Both Partially Refractive Esotropia and Amblyopia https://ClinicalTrials.gov/show/NCT04429659 Completed Sakarya University 2019-04-01
NCT04346251 Correlation Between Refraction and Biometric Parameters https://ClinicalTrials.gov/show/NCT04346251 Recruiting Sun Yat-sen University 2019-11-30
NCT04338880 Academic Performance and Refractive Error https://ClinicalTrials.gov/show/NCT04338880 Recruiting Sun Yat-sen University 2019-06-30
NCT04249505 Refractive Accuracy of “2WIN” and Portable Autorefractors https://ClinicalTrials.gov/show/NCT04249505 Recruiting Alaska Blind Child Discovery 2020-03-31
NCT04161326 Environmental Health and Myopia Prevention and Control https://ClinicalTrials.gov/show/NCT04161326 Recruiting Sun Yat-sen University 2019-12-30
NCT04143334 Prevalence of Blindness, Visual Impairment in Chao Nan Area, China https://ClinicalTrials.gov/show/NCT04143334 Completed Chinese University of Hong Kong 2015-12-01
NCT03589937 Ocular Development and Refractive Error Changes Among Children and Adolescent - A Longitudinal Study https://ClinicalTrials.gov/show/NCT03589937 Recruiting Zhongshan Ophthalmic Center, Sun Yat-sen University 2021-07-20
NCT01173614 Project Gullstrand - European Project for the Determination of Average Biometric Values of Human Eyes https://ClinicalTrials.gov/show/NCT01173614 Completed European Vision Institute Clinical Research Network 2015-06-30
NCT00347347 Comparative Study of Cycloplegic Refraction and Subjective Refraction With Fogging in School Age Children https://ClinicalTrials.gov/show/NCT00347347 Completed Singapore National Eye Centre 2008-12-31
NCT00345085 Comparison of Higher Order Aberrations and Contrast Sensitivity Between Acrysof SN60AT, SN60WF and Restore Intraocular Lenses https://ClinicalTrials.gov/show/NCT00345085 Completed University of Texas Southwestern Medical Center NA

Registries

#If less then 500 registries

nct_id brief_title link overall_status source primary_completion_date
NCT03906279 Choroidal Thickness Change in Response to Physiological and Refractive Changes https://ClinicalTrials.gov/show/NCT03906279 Recruiting Wrocław University of Science and Technology 2024-02-29
NCT03893838 Chromatic and Monochromatic Optical Aberrations After Corneal Refractive Surgery https://ClinicalTrials.gov/show/NCT03893838 Active, not recruiting Wrocław University of Science and Technology 2022-02-01
NCT03668067 Performance of 2WIN Photoscreener With Corneal Reflex Compared to School Bus Retinoscopy by AAPOS Guidelines https://ClinicalTrials.gov/show/NCT03668067 Completed Alaska Blind Child Discovery 2018-10-31